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Dry Air and ESD Control

Dry Air and ESD Control


       
ESD

Dry Air and ESD Control
Summary: Dry Air and ESD Control

 
Dry Air and ESD Control
Ionization can mitigate ESD events in areas where dry air is normal
Walking across carpet can yield different charges depending on Relative Humidity
Most people notice a difference in the ability to generate static electricity when the air gets dryer (the % RH decreases). As an example, walking across a carpet can yield a charge of 35kV at 10% RH (very dry air), but will drop significantly to 7.5kV at 55% RH. In an electronics manufacturing environment lower humidity may result in lower yields from production due to an increase in ESD events during manufacturing processes.
 

Benchtop and Overhead Ionizers produce positively and negatively charged ions that are moved to the controlled area with fan driven airflow. Point-of-use air ionizers use compressed gas to combat electrostatic attraction, neutralizing charges on particles causing contamination or visual defects on products. Laminar Flow Ionization Bars are used with Laminar Flow Hoods, controlled chambers and other contained applications. Room Ionization reduces electrostatic discharge (ESD) and electrostatic attraction (ESA) in cleanroom environments.